Sampling site | pH | WC (%) | TN (g kg− 1) | SOC (%) | Cu (mg kg−1) | Cd (mg kg− 1) | Zn (mg kg− 1) | Pb (mg kg− 1) | As (mg kg− 1) |
---|---|---|---|---|---|---|---|---|---|
S1 | 7.55 ± 0.07c | 6.26 ± 0.43a | 0.25 ± 0.03a | 4.76 ± 0.26a | 0.12 ± 0.01c | 0.07 ± 0.01e | 53.4 ± 3.35d | 15.6 ± 1.12e | 5.36 ± 0.87c |
S2 | 7.78 ± 0.02a | 2.32 ± 0.62c | 0.12 ± 0.02b | 4.37 ± 0.08a | 0.88 ± 0.05b | 5.15 ± 0.52b | 245.7 ± 2.97c | 411.3 ± 10.3b | 21.3 ± 1.23a |
S3 | 7.71 ± 0.04b | 2.88 ± 0.28c | 0.10 ± 0.02b | 4.23 ± 0.55a | 3.40 ± 0.35a | 7.99 ± 0.08a | 790.4 ± 7.22a | 882.5 ± 78.5a | 24.5 ± 1.13a |
S4 | 7.63 ± 0.03ab | 4.73 ± 0.47b | 0.11 ± 0.01b | 4.10 ± 0.51a | 0.53 ± 0.15b | 1.12 ± 0.57d | 367.9 ± 6.52b | 258.2 ± 33.0c | 10.8 ± 2.01b |
S5 | 7.78 ± 0.02a | 4.15 ± 0.55b | 0.09 ± 0.01b | 3.65 ± 0.06a | 0.72 ± 0.16b | 2.34 ± 0.18c | 333.2 ± 45.3b | 177.6 ± 15.3d | 12.3 ± 0.85b |